Securing your Linux server is important to protect your data, intellectual property, and time, from the hands of crackers (hackers). The system administrator is responsible for security of the Linux box.
How to install and configure OpenVPN on Debian 10
OpenVPN is a free and open source VPN solution. VPN solution. As a result VPN allow to secure your data communications. It implements OSI layer 2 or 3 secure network extension using the SSL/TLS protocol. A VPN allows your yo connect securely to an insecure public network such as WiFi network at the airport or hotel. Almost companies also use VPN to access corporate or enterprise or home server resources. You can bypasss geo-blocked site and increase your privacy or safety online.
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Proxmox upgrade from 5.x to 6.x (Debian stretch to buster)
Proxmox Virtual Environment (PVE) is an open source server virtualization management solution based on QEMU/KVM and LXC. You can manage virtual machines, containers, highly available clusters, storage and networks with an integrated, easy-to-use web interface or via CLI.
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How to upgrade PHP 5.6 to PHP 7.3 on CentOS VestaCP
Introduction
CentOS is a Linux distribution that provides a free, enterprise-class, community-supported computing platform functionally compatible with its upstream source, Red Hat Enterprise Linux (RHEL).
The Vesta Control Panel is a free, open source control panel with website, email, database, and DNS functionalities. In this tutorial you will upgrade the control panel PHP 5.6 to PHP 7.3 on CentOS server.
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How to get the real IP address using CloudFlare and nginx on CentOS / Debian / Ubuntu
In this tutorial we will be configuring Cloudflare real ip under nginx server. As a result Cloudflare service will helps protect and speed up your web site project. In a standard shared hosting plan, visitors access the site directly.
Install mcrypt for PHP 7.2 / 7.3 on DirectAdmin server
The mcrypt extension is included in PHP 5.4 through PHP 7.1. It was removed from PHP 7.2 and moved to an unofficial PECL extension because the mcrypt library is no longer maintained.
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How to upgrade Debian 7 (wheezy) to 10 (buster) safely
This tutorial explains the procedure to upgrade Debian 7 (wheezy) to Debian 10 (buster) in a few simple steps.
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How to login SSH with .ppk file on Ubuntu terminal
You can convert a .ppk file in Ubuntu with installing putty-tools. So
sudo apt-get install putty-tools
Then youn can convert the .ppk file with puttygen to OpenSSH’s format like so:
puttygen <the_key.ppk> -O private-openssh -o <new_openssh_key>.key
Unable to parse package file /var/lib/apt/extended_states
Packages
All packages that are included in the official Debian distribution are free according to the Debian Free Software Guidelines. This assures free use and redistribution of the packages and their complete source code. The official Debian distribution is what is contained in the main section of the Debian archive.
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Proxmox upgrade from 3.x to 5.x (Debian wheezy to jessie)
Proxmox Virtual Environment (PVE) is an open source server virtualization management solution based on QEMU/KVM and LXC. You can manage virtual machines, containers, highly available clusters, storage and networks with an integrated, easy-to-use web interface or via CLI. Proxmox VE code is licensed under the GNU Affero General Public License, version 3. The project is developed and maintained by Proxmox Server Solutions GmbH.
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